Hi!
Dne sreda, 14. avgust 2019 ob 08:08:53 CEST je codekipper@gmail.com napisal(a):
From: Marcus Cooper codekipper@gmail.com
Extend the functionality of the driver to include support of 20 and 24 bits per sample for the earlier SoCs.
Newer SoCs can also handle 32bit samples.
Signed-off-by: Marcus Cooper codekipper@gmail.com
sound/soc/sunxi/sun4i-i2s.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index a71969167053..d3c8789f70bb 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -690,6 +690,11 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, case 16: width = DMA_SLAVE_BUSWIDTH_2_BYTES; break;
- case 20:
- case 24:
- case 32:
params_physical_width() returns 32 also for 20 and 24-bit formats, so drop 20 and 24.
Best regards, Jernej
width = DMA_SLAVE_BUSWIDTH_4_BYTES;break;
%d\n",
params_physical_width(params));@@ -1015,6 +1020,13 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai) return 0; }
+#define SUN4I_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S20_LE | \SNDRV_PCM_FMTBIT_S24_LE)+#define SUN8I_FORMATS (SUN4I_FORMATS | \
SNDRV_PCM_FMTBIT_S32_LE)static struct snd_soc_dai_driver sun4i_i2s_dai = { .probe = sun4i_i2s_dai_probe, .capture = { @@ -1022,14 +1034,14 @@ static struct snd_soc_dai_driver sun4i_i2s_dai = { .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.formats = SUN4I_FORMATS,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.formats = SUN4I_FORMATS,@@ -1505,6 +1517,11 @@ static int sun4i_i2s_probe(struct platform_device *pdev) goto err_pm_disable; }
- if (i2s->variant->has_fmt_set_lrck_period) {
soc_dai->playback.formats = SUN8I_FORMATS;soc_dai->capture.formats = SUN8I_FORMATS;- }
- if (!of_property_read_u32(pdev->dev.of_node, "allwinner,playback-channels",
&val)) {
if (val >= 2 && val <= 8)